| Value | Category | Cases | |
|---|---|---|---|
| -9 | 25 |
13%
|
|
| 0 | 49 |
25.4%
|
|
| 1 | 19 |
9.8%
|
|
| 2 | 32 |
16.6%
|
|
| 3 | 50 |
25.9%
|
|
| 4 | 9 |
4.7%
|
|
| 5 | 6 |
3.1%
|
|
| 6 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| Sysmiss | 22 |